All-in-all, it made me decide to watch the original movie again. I was living in Ramsgate when they made that film and they used the harbour entrance for some shots, complete with sand bags, barbed wire and AA guns.
https://en.wikipedia.org/wiki/Dunkirk_(1958_film)
Starring John Mills, Richard Attenborough and Bernard Lee
Its currently showing on ITV4 right now...
